@echo off 
 
set _time_start=%time% 
set /a hour_start_=%_time_start:~0,2% 
set /a minute_start_=1%_time_start:~3,2%-100 
set /a second_start_=1%_time_start:~6,2%-100 
echo Begin task at %time% 
REM echo %hour_start_% 
REM echo %minute_start_% 
REM echo %second_start_% 